In article <39AA5409.73CE1620@my-dejanews.com>, 
gre### [at] my-dejanewscom wrote:

> This grass may be slow but the code (IMHO) is ingeniously simple!  A
> 320x 240 took 23 min to render...

I did something similar when I was first playing with isosurfaces...I 
got a somewhat good looking landscape with rolling hills, but never got 
anything that looked like a convincing grass. And the functions got much 
more complex than this.

-- 
Christopher James Huff
Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/

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